Maak de erbijsom tot 20
Erbijsommen
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1.
13 + 7 =
|
2.
6 + 10 =
|
3.
17 + 3 =
|
|
4.
19 + 0 =
|
5.
5 + 6 =
|
6.
7 + 2 =
|
|
7.
13 + 2 =
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8.
10 + 0 =
|
9.
4 + 12 =
|
|
10.
8 + 8 =
|
11.
12 + 1 =
|
12.
20 + 0 =
|
|
13.
18 + 2 =
|
14.
20 + 0 =
|
15.
17 + 1 =
|
|
16.
18 + 2 =
|
17.
18 + 1 =
|
18.
11 + 7 =
|
|
19.
20 + 0 =
|
20.
6 + 3 =
|
21.
17 + 0 =
|
|
22.
20 + 0 =
|
23.
7 + 8 =
|
24.
7 + 10 =
|
|
25.
19 + 0 =
|
26.
7 + 13 =
|
27.
20 + 0 =
|
|
28.
15 + 0 =
|
29.
10 + 6 =
|
30.
12 + 4 =
|
|
31.
7 + 5 =
|
32.
2 + 6 =
|
33.
11 + 1 =
|